package com.example.day12.ex07;

public class SystemDemo {
    public static void main(String[] args) {
        long start = System.currentTimeMillis();
        for (int i = 0; i < 100000; i++) {
            System.out.println(i);
        }
        long end=System.currentTimeMillis();
        System.out.println("耗时："+(end-start)+"毫秒");
    }
}
